70638640

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11177}}^1$

素因数の和:11269

約数の個数: 40

約数和(自身を含む): 166328640

約数和(自身を除く): 95690000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 11177, 22354, 44708, 55885, 89416, 111770, 178832, 223540, 447080, 882983, 894160, 1765966, 3531932, 4414915, 7063864, 8829830, 14127728, 17659660, 35319320, 70638640]

約数ペア:

[(1, 70638640), (2, 35319320), (4, 17659660), (5, 14127728), (8, 8829830), (10, 7063864), (16, 4414915), (20, 3531932), (40, 1765966), (79, 894160), (80, 882983), (158, 447080), (316, 223540), (395, 178832), (632, 111770), (790, 89416), (1264, 55885), (1580, 44708), (3160, 22354), (6320, 11177)]